Question

Solve quadratic equations by factoring:
4×+20ײ=0

Answer 1

Answer:

4x+20x^2=0

Step-by-step explanation:

4x(1+5x)=0

1+5x=0

5x=-1

x=-1/5

Proof: 4(-1/5) + 20(-1/5)^2=0

- 4/5 + - 20/25 = 0

- 20/5+20/5 =0

Hence,proved